Table E1.

International Classification of Diseases, 10th Revision codes used for patient inclusion and exclusion criteria

ICD-10 code	Description
Codes used for inclusion
ICD-10-CM I38∗	Endocarditis, valve unspecified
ICD-10-CM I33.0∗	Acute and subacute infective endocarditis
ICD-10-CM I33.9∗	Acute and subacute endocarditis, unspecified
ICD-10-CM B37.6∗	Candidal endocarditis
ICD-10-PCS 02RG∗	Replacement, mitral valve
Codes used for exclusion
ICD-10-CM I20∗	Angina pectoris
ICD-10-CM I21∗	Acute myocardial infarction
ICD-10-CM I22∗	Subsequent STEMI and NSTEMI
ICD-10-CM I23∗	Certain current complications after STEMI and NSTEMI (within the 28-d period)
ICD-10-CM I24∗	Other acute ischemic heart diseases
ICD-10-CM I25.4∗	Coronary artery aneurysm and dissection
ICD-10-PCS 0210∗	Bypass, coronary artery, 1 artery
ICD-10-PCS 0211∗	Bypass, coronary artery, 2 arteries
ICD-10-PCS 0212∗	Bypass, coronary artery, 3 arteries
ICD-10-PCS 0213∗	Bypass, coronary artery, 4 or more arteries
ICD-10-PCS 02QF∗	Repair, aortic valve
ICD-10-PCS 02QG∗	Repair, mitral valve
ICD-10-PCS 02QH∗	Repair, pulmonary valve
ICD-10-PCS 02QJ∗	Repair, tricuspid valve
ICD-10-PCS 02RF∗	Replacement, aortic valve
ICD-10-PCS 02RH∗	Replacement, pulmonary valve
ICD-10-PCS 02RJ∗	Replacement, tricuspid valve
ICD-10-PCS 02RX∗	Replacement of thoracic aorta, ascending/arch
ICD-10-PCS 02RW∗	Replacement of thoracic aorta, descending
ICD-10-PCS 02QX∗	Repair of thoracic aorta, ascending/arch
ICD-10-PCS 02QW∗	Repair of thoracic aorta, descending

ICD-10-CM, International Classification of Diseases, 10th Revision, Clinical Modification; ICD-10-PCS, International Classification of Diseases, 10th Revision, Procedural Classification System; NSTEMI, non–ST-elevation myocardial infarction; STEMI, ST-elevation myocardial infarction.

^∗All combinations of characters after the listed prefix were included.